Method of processing a current field macroblock

Details Method of processing a current field macroblock Method of processing a current field macroblock

2011-03-29

2011-03-29

Vo, Tung (Department: 2483)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

07916787

ABSTRACT:
In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock. The reference picture index numbers increase for reference pictures having an increasing display order with respect to the picture including the macroblock. The reference picture index numbers of the reference pictures having a decreasing display order are less than the reference picture index numbers of the reference pictures having an increasing display order. A field reference picture index associated with the current field macroblock is obtained , and a frame reference picture index is determined based on the field reference picture index. The frame reference picture index is based on the field reference picture index divided by 2. The method further includes selecting a frame reference picture based on the frame reference picture index and the reference picture index number, selecting a field reference picture based on the selected frame reference picture and the field reference picture index, and decoding the current macroblock based on the motion vector information and the selected field reference picture.

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